diff --git a/Cargo.toml b/Cargo.toml
index 7ceaed9..9baa8ff 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -15,7 +15,6 @@ rustpython-ast = { path = "../ast" }
 num-complex = { version = "0.3", features = ["serde"] }
 num-traits = "0.2"
 log = "0.4"
-arrayvec = "0.5"
 ahash = "0.6"
 
 [dev-dependencies]